content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ---------------------
   * BarRendererTests.java
   * ---------------------
   * (C) Copyright 2003-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 25-Mar-2003 : Version 1 (DG);
   * 19-Aug-2003 : Renamed HorizontalBarRendererTests --> BarRendererTests (DG);
   * 22-Oct-2003 : Added hashCode test (DG);
   * 18-May-2005 : Added field to equals() test (DG);
   * 22-Sep-2005 : Renamed getMaxBarWidth() --> getMaximumBarWidth() (DG);
   * 11-May-2007 : Added testGetLegendItem() (DG);
   * 23-Apr-2008 : Added testPublicCloneable() (DG);
   * 25-Nov-2008 : Added testFindRangeBounds (DG);
   * 16-May-2009 : Added series visibility check in testFindRangeBounds() (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.renderer.category;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.awt.Color;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.LegendItem;
  import org.jfree.chart.axis.CategoryAxis;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.labels.ItemLabelAnchor;
  import org.jfree.chart.labels.ItemLabelPosition;
  import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
  import org.jfree.chart.plot.CategoryPlot;
  import org.jfree.chart.renderer.RendererChangeDetector;
  import org.jfree.chart.ui.GradientPaintTransformType;
  import org.jfree.chart.ui.StandardGradientPaintTransformer;
  import org.jfree.chart.ui.TextAnchor;
  import org.jfree.chart.util.PublicCloneable;
  import org.jfree.data.Range;
  import org.jfree.data.category.DefaultCategoryDataset;
  import org.junit.jupiter.api.Test;
  
  ;
  
  /**
   * Tests for the {@link BarRenderer} class.
   */
  public class BarRendererTest  {
  
  
  
  
  
      /**
       * Test that the equals() method distinguishes all fields.
       */
      @Test
      public void testEquals() {
          BarRenderer r1 = new BarRenderer();
          BarRenderer r2 = new BarRenderer();
          assertEquals(r1, r2);
          assertEquals(r2, r1);
  
          // base value
          r1.setBase(0.123);
          assertFalse(r1.equals(r2));
          r2.setBase(0.123);
          assertEquals(r1, r2);
  
          // itemMargin
          r1.setItemMargin(0.22);
          assertFalse(r1.equals(r2));
          r2.setItemMargin(0.22);
          assertEquals(r1, r2);
  
          // drawBarOutline
          r1.setDrawBarOutline(!r1.isDrawBarOutline());
          assertFalse(r1.equals(r2));
          r2.setDrawBarOutline(!r2.isDrawBarOutline());
          assertEquals(r1, r2);
  
          // maximumBarWidth
          r1.setMaximumBarWidth(0.11);
          assertFalse(r1.equals(r2));
          r2.setMaximumBarWidth(0.11);
          assertEquals(r1, r2);
  
          // minimumBarLength
          r1.setMinimumBarLength(0.04);
          assertFalse(r1.equals(r2));
          r2.setMinimumBarLength(0.04);
          assertEquals(r1, r2);
  
          // gradientPaintTransformer
          r1.setGradientPaintTransformer(new StandardGradientPaintTransformer(
                  GradientPaintTransformType.CENTER_VERTICAL));
          assertFalse(r1.equals(r2));
          r2.setGradientPaintTransformer(new StandardGradientPaintTransformer(
                  GradientPaintTransformType.CENTER_VERTICAL));
          assertEquals(r1, r2);
  
          // positiveItemLabelPositionFallback
          r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition(
                  ItemLabelAnchor.INSIDE1, TextAnchor.CENTER));
          assertFalse(r1.equals(r2));
          r2.setPositiveItemLabelPositionFallback(new ItemLabelPosition(
                  ItemLabelAnchor.INSIDE1, TextAnchor.CENTER));
          assertEquals(r1, r2);
  
          // negativeItemLabelPositionFallback
          r1.setNegativeItemLabelPositionFallback(new ItemLabelPosition(
                  ItemLabelAnchor.INSIDE1, TextAnchor.CENTER));
          assertFalse(r1.equals(r2));
          r2.setNegativeItemLabelPositionFallback(new ItemLabelPosition(
                  ItemLabelAnchor.INSIDE1, TextAnchor.CENTER));
          assertEquals(r1, r2);
  
          // barPainter
          r1.setBarPainter(new GradientBarPainter(0.1, 0.2, 0.3));
          assertFalse(r1.equals(r2));
          r2.setBarPainter(new GradientBarPainter(0.1, 0.2, 0.3));
          assertEquals(r1, r2);
  
          // shadowsVisible
          r1.setShadowVisible(false);
          assertFalse(r1.equals(r2));
          r2.setShadowVisible(false);
          assertEquals(r1, r2);
  
          r1.setShadowPaint(Color.RED);
          assertFalse(r1.equals(r2));
          r2.setShadowPaint(Color.RED);
          assertEquals(r1, r2);
  
          // shadowXOffset
          r1.setShadowXOffset(3.3);
          assertFalse(r1.equals(r2));
          r2.setShadowXOffset(3.3);
          assertEquals(r1, r2);
  
          // shadowYOffset
          r1.setShadowYOffset(3.3);
          assertFalse(r1.equals(r2));
          r2.setShadowYOffset(3.3);
          assertEquals(r1, r2);
  
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          BarRenderer r1 = new BarRenderer();
          BarRenderer r2 = new BarRenderer();
          assertEquals(r1, r2);
          int h1 = r1.hashCode();
          int h2 = r2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          BarRenderer r1 = new BarRenderer();
          r1.setDefaultItemLabelGenerator(new StandardCategoryItemLabelGenerator());
          r1.setBarPainter(new GradientBarPainter(0.11, 0.22, 0.33));
          BarRenderer r2 = (BarRenderer) r1.clone();
          assertNotSame(r1, r2);
          assertSame(r1.getClass(), r2.getClass());
          assertEquals(r1, r2);
      }
  
      /**
       * Check that this class implements PublicCloneable.
       */
      @Test
      public void testPublicCloneable() {
          BarRenderer r1 = new BarRenderer();
          assertTrue(r1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          BarRenderer r1 = new BarRenderer();
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(r1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                      buffer.toByteArray()));
          BarRenderer r2 = (BarRenderer) in.readObject();
              in.close();
  
          assertEquals(r1, r2);
  
      }
  
      /**
       * Tests each setter method to ensure that it sends an event notification.
       */
      @Test
      public void testEventNotification() {
  
          RendererChangeDetector detector = new RendererChangeDetector();
          BarRenderer r1 = new BarRenderer();
          r1.addChangeListener(detector);
  
          detector.setNotified(false);
          r1.setDefaultPaint(Color.RED);
          assertTrue(detector.getNotified());
  
      }
  
      /**
       * Some checks for the getLegendItem() method.
       */
      @Test
      public void testGetLegendItem() {
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
          dataset.addValue(21.0, "R1", "C1");
          BarRenderer r = new BarRenderer();
          CategoryPlot plot = new CategoryPlot(dataset, new CategoryAxis("x"),
                  new NumberAxis("y"), r);
          /*JFreeChart chart =*/ new JFreeChart(plot);
          LegendItem li = r.getLegendItem(0, 0);
          assertNotNull(li);
          r.setSeriesVisibleInLegend(0, Boolean.FALSE);
          li = r.getLegendItem(0, 0);
          assertNull(li);
      }
  
      /**
       * A check for the datasetIndex and seriesIndex fields in the LegendItem
       * returned by the getLegendItem() method.
       */
      @Test
      public void testGetLegendItemSeriesIndex() {
          DefaultCategoryDataset dataset0 = new DefaultCategoryDataset();
          dataset0.addValue(21.0, "R1", "C1");
          dataset0.addValue(22.0, "R2", "C1");
          DefaultCategoryDataset dataset1 = new DefaultCategoryDataset();
          dataset1.addValue(23.0, "R3", "C1");
          dataset1.addValue(24.0, "R4", "C1");
          dataset1.addValue(25.0, "R5", "C1");
          BarRenderer r = new BarRenderer();
          CategoryPlot plot = new CategoryPlot(dataset0, new CategoryAxis("x"),
                  new NumberAxis("y"), r);
          plot.setDataset(1, dataset1);
          /*JFreeChart chart =*/ new JFreeChart(plot);
          LegendItem li = r.getLegendItem(1, 2);
          assertEquals("R5", li.getLabel());
          assertEquals(1, li.getDatasetIndex());
          assertEquals(2, li.getSeriesIndex());
      }
  
      /**
       * Some checks for the findRangeBounds() method.
       */
      @Test
      public void testFindRangeBounds() {
          BarRenderer r = new BarRenderer();
          assertNull(r.findRangeBounds(null));
  
          // an empty dataset should return a null range
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
          assertNull(r.findRangeBounds(dataset));
  
          dataset.addValue(1.0, "R1", "C1");
          assertEquals(new Range(0.0, 1.0), r.findRangeBounds(dataset));
          r.setIncludeBaseInRange(false);
          assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));
          r.setIncludeBaseInRange(true);
  
          dataset.addValue(-2.0, "R1", "C2");
          assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
  
          dataset.addValue(null, "R1", "C3");
          assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
  
          dataset.addValue(-6.0, "R2", "C1");
          assertEquals(new Range(-6.0, 1.0), r.findRangeBounds(dataset));
  
          r.setSeriesVisible(1, Boolean.FALSE);
          assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
      }
  
  }
  